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Ethyl dichlorophosphite

CAS 1498-42-6C2H5OPCl2Chemical Synthesis

Ethyl dichlorophosphite (CAS 1498-42-6) is an organophosphorus compound with the linear formula C2H5OPCl2 and a molecular weight of 146.94 g/mol. This clear liquid, with a refractive index of n20/D 1.464, serves as a valuable reagent in organic synthesis. Its primary application lies in the construction of more complex molecules, particularly in the preparation of specific organic building blocks and phosphorus-containing compounds.

IUPAC
Ethyl phosphorodichloridite
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Ethyl dichlorophosphite (C2H5OPCl2) — chemical structure, CAS 1498-42-6; Chemistry, fine chemical supplied by Tech Serve Solutions
Building BlocksChemical SynthesisOrganic Building BlocksPhosphorus CompoundsPhosphorus Halides
01 /Applications

Synthesis of Peptide Derivatives

Ethyl dichlorophosphite has been documented for its use in the synthesis of peptide derivatives. This highlights its utility in complex organic transformations relevant to medicinal chemistry and biochemical research.

Organic Building Block

As a reactive organophosphorus halide, it functions as a versatile building block in organic synthesis. It can be employed to introduce phosphorus moieties into various organic structures.

Reagent in Chemical Synthesis

This compound acts as a key intermediate and reagent in chemical synthesis, enabling the formation of new carbon-phosphorus or phosphorus-heteroatom bonds.

02 /Properties
Molecular weight146.94
Linear formulaC2H5OPCl2
Assay98%
Boiling point117-118 °C(lit.)
Density1.286 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.464(lit.)
Storage temperature2-8°C
ApplicationEthyl dichlorophosphite was used in the synthesis of peptide derivatives1.
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Corrosive (GHS05)
Corrosive
Danger

Hazard statements

  • H225Highly flammable liquid and vapour
  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentFaceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Flash point4 °C / 39.2 °F
Transport (UN / ADR)UN 2924 8(3) / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)F,C
Risk statements (R)11-34
Safety statements (S)16-26-27-36/37/39-45

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
1498-42-6
MDL number
MFCD00000525
PubChem substance
24851831
05 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

06 /Frequently asked questions

What is Ethyl dichlorophosphite used for?

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Ethyl dichlorophosphite is primarily used as a building block in organic synthesis, including the preparation of peptide derivatives and other phosphorus-containing compounds.

What is the CAS number and formula for Ethyl dichlorophosphite?

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The CAS number for Ethyl dichlorophosphite is 1498-42-6, and its linear formula is C2H5OPCl2.

What grade and purity does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Ethyl dichlorophosphite with an assay of 98%. TSS does not represent this product as USP, BP, EP, or pharmacopoeia grade.

How should Ethyl dichlorophosphite be handled safely?

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Ethyl dichlorophosphite is a flammable liquid and causes severe skin burns and eye damage (H225-H314). Handling requires full protective equipment, including a face shield, respirator, gloves, and goggles. Work should be conducted in a well-ventilated area away from ignition sources.

How is Ethyl dichlorophosphite shipped by Tech Serve Solutions?

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Ethyl dichlorophosphite is shipped as a UN 2924, Hazard Class 8(3), Packing Group II substance, complying with international transport regulations.

How can I request a quote or sample?

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To request a quote or sample of Ethyl dichlorophosphite, please contact the Tech Serve Solutions sales team through our website or by phone.

Need Ethyl dichlorophosphite in a specific grade or volume?